Find the mean and variance of theses draws

Reference no: EM1319870

RANDOM NUMBERS
6.648148226	9.590568223	13.08821654	11.56960596	9.117794687
11.03829962	12.48332071	12.65101335	9.490335085	9.977890184
12.27038527	7.775071279	6.877049853	8.513567334	10.10921667
11.96416295	10.98025794	9.593537723	8.933938059	11.87065325
9.374681465	12.71689714	9.612418833	8.070970832	9.519834546
8.757884896	12.80700988	6.994774847	10.50255494	11.58505827
7.55297722	8.958021479	13.29525392	12.23347342	5.135949575
9.501073944	7.547147359	6.148562786	11.6179456	10.36562369
9.91927325	12.03066975	10.52738642	7.063923729	11.18436674
10.6041455	10.46773494	13.95950337	12.31614649	10.66658231
11.87563273	10.94589723	9.881588337	10.73343926	10.73180445
10.49624305	9.237516022	12.07000085	12.90277967	9.831734385
12.7678152	8.520816007	9.673823368	9.64588369	11.17871878
7.511049514	9.127060164	7.181475919	6.706528691	9.231590664
9.70479621	7.689228621	12.48596734	11.2186365	6.758824636
8.277762643	6.398200892	12.22948074	11.62879132	9.319491053
11.36511062	8.21050551	8.564708221	10.74720447
12.13784915	9.035926521	7.81050974	9.589942945
5.405596565	14.67043719	8.719436007	8.363523446
8.547832547	12.33389073	9.344242951	11.05285835
11.36588369	10.80643531	8.424559635	10.54896191

100 draws of a normal distribution with mean 10 and variance 4.
[A] Find the mean and variance of theses draws? Comment,
[B] Construct histograms of the data with the following bins-
(a) start with and go to 8 increments of 1;
(b) start with 8 and go to 12 in increments of 0.2;
(c) start with 5 and go to 15 in crements of 0.75. Comment on these results.

Reference no: EM1319870

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